* {
    margin: 0;
    padding: 0;
    border: 0;
}

#wrapper {
    width: 1920px;
}

#header {
    position: fixed;
    background-color: #fff;
    width: 1920px;
    height: 131px;
    z-index: 3;
    border-bottom: 1px solid #ddd;
}

#header .di {
    width: 1920px;
    height: 45px;
    background-color: #94070a;
}

#logo img {
    height: 86px;
    margin: 0 24px;
}

#logo,
#menu {
    float: left;
}

#menu {
    text-align: center;
    font-size: 22px;
    font-weight: bold;
    margin: 28px 18px;
}

#menu ul li {
    float: left;
    margin-left: 75px;
    display: block;
}

#menu ul li a {
    color: #333;
    text-decoration: none;
}

#menu p {
    height: 34px;
    text-align: center;
    transform: translate(-50%, 0);
}

#menu p:after {
    content: "";
    border-bottom: 2px solid #94070a;
    margin-top: 5px;
    display: block;
    width: 100%;
    width: 0;
    background: #94070a;
    bottom: -2px;
    left: 0;
    position: absolute;
    opacity: 0;
    transition: all 0.3s ease-out 0s;
}

#menu a:hover p:after {
    opacity: 1;
    left: 0;
    width: 100%;
}

.block {
    width: 1400px;
    margin: 0 auto;
}

#footer {
    clear: both;
    z-index: 2;
    width: 1920px;
    height: 57px;
    background-color: pink;
}

#footer p {
    color: white;
    font-size: 18px;
    text-align: center;
    padding-top: 17px;
}


/*********************************/

#content {
    width: 1400px;
    padding-top: 130px;
    margin: 0 auto;
}

#xishou {
    overflow: hidden;
    padding-top: 130px;
    height: 900px;
    border-bottom: 2px dashed #ddd;
}

#xishou .title {
    clear: both;
}

#xishou .list .box {
    overflow: hidden;
    width: 176px;
    float: left;
    margin: 0 12px;
    border-radius: 37px;
    cursor: pointer;
}

#xishou .list .box .content {
    transition: 0.7s;
    height: 100px;
}

#xishou .list .box:hover .content {
    border-radius: 37px;
    height: 200px;
    transition: 0.7s;
    background-color: #ddd;
}

#xishou .list .box:hover p {
    opacity: 1;
    transition: 0.7s;
    transform: translateY(100px);
}

#xishou .list .box img {
    width: 100%;
    z-index: 2;
}

#xishou .list .box .imgBx {
    float: left;
}

#xishou .list .box p {
    width: 120px;
    opacity: 0;
    position: absolute;
    padding: 10px 28px;
}

#xishou .title h2 {
    font-size: 40px;
}

#xishou .list .box h2 {
    position: absolute;
    padding: 34px 52px;
}

#xishou .title p {
    margin: 26px 0;
    font-family: 楷体, 楷体_GB2312;
}

#xishou .vd {
    clear: both;
    padding-top: 100px;
    height: 500px;
}

#xishou .vd video {
    margin-top: 12px;
}


/******************   常识篇   *********************/

#changshi {
    height: 1637px;
    overflow: hidden;
    border-bottom: 2px dashed #ddd;
}

#changshi h2 {
    padding: 249px 52px 299px 52px;
    font-size: 40px;
}

#changshi .vdo {
    float: left;
    width: 50%;
    height: 100%;
    overflow: hidden;
    padding: 12px 56px;
    border-right: 1px dashed #ddd;
}

#changshi .vdo p {
    text-align: center;
    margin: 20px 0;
    font-weight: bold;
    font-family: 楷体, 楷体_GB2312;
}

#changshi .list .h {
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    margin: 12px 0;
}

#changshi .list p {
    text-indent: 2em;
}

#changshi .list {
    width: 41%;
    float: left;
}

#changshi .item {
    padding: 30px 25px;
    border-bottom: 1px dashed #ddd;
}


/**************************************************/

#te h2 {
    height: 55%;
    writing-mode: vertical-lr;
    padding: 153px 238px;
    margin-right: 29px;
    float: left;
    border-right: 1px dashed #ddd;
}

#te .list {
    float: left;
    width: 61%;
}

#te .item {
    padding: 31px 34px;
    line-height: 1.7;
    border-bottom: 1px dashed #ddd;
}

#te,
#changshi,
#xishou {
    padding-top: 130px;
}